Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D997386 | Stair tread | William Bremer, Nathan R. Werkheiser, Russell W. Marks | 2023-08-29 |
| 11708697 | Tread cap and related methods of use and manufacture | William Bremer, Nathan R. Werkheiser, Russell W. Marks | 2023-07-25 |